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(4) Find the Fermi energy of lithium Er, the Fermi temperature TF, and the speed of oF of the fastest free electrons.

(4) Find the Fermi energy of lithium Er, the Fermi temperature TF, and the speed of oF of the fastest free electrons.

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(4) Find the Fermi energy of lithium EF, the Fermi temperature TF, and the speed of wF of the fastest free electrons. (5) Knowing that the resistivity p of lithium is of the order 10-5 N cm at ambient temperature, find the time of flight, t, and the mean free path A of conduction electrons. (6) Find the drift velocity va of conduction electrons subject to a electric field of 1 V/m and compare it with the Fermi velocity VF. (7) Starting from the relation ke =1/3 CeVFA (or with the help of the WiedemannFranz expression), find the thermal conductivity due to electrons Ke of lithium at ambient temperature T= 300 K.
Transcribed Image Text:(4) Find the Fermi energy of lithium EF, the Fermi temperature TF, and the speed of wF of the fastest free electrons. (5) Knowing that the resistivity p of lithium is of the order 10-5 N cm at ambient temperature, find the time of flight, t, and the mean free path A of conduction electrons. (6) Find the drift velocity va of conduction electrons subject to a electric field of 1 V/m and compare it with the Fermi velocity VF. (7) Starting from the relation ke =1/3 CeVFA (or with the help of the WiedemannFranz expression), find the thermal conductivity due to electrons Ke of lithium at ambient temperature T= 300 K.
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